CN113004842A - Special hot-melt pressure-sensitive adhesive for HDPE (high-density polyethylene) waterproof coiled material and preparation method thereof - Google Patents
Special hot-melt pressure-sensitive adhesive for HDPE (high-density polyethylene) waterproof coiled material and preparation method thereof Download PDFInfo
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- CN113004842A CN113004842A CN202110410043.7A CN202110410043A CN113004842A CN 113004842 A CN113004842 A CN 113004842A CN 202110410043 A CN202110410043 A CN 202110410043A CN 113004842 A CN113004842 A CN 113004842A
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- 229920001903 high density polyethylene Polymers 0.000 title claims abstract description 44
- 239000004700 high-density polyethylene Substances 0.000 title claims abstract description 44
- 239000004820 Pressure-sensitive adhesive Substances 0.000 title claims abstract description 37
- 239000012943 hotmelt Substances 0.000 title claims abstract description 37
- 239000000463 material Substances 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 150000001875 compounds Chemical class 0.000 claims abstract description 40
- 239000002131 composite material Substances 0.000 claims abstract description 30
- 239000011347 resin Substances 0.000 claims abstract description 30
- 229920005989 resin Polymers 0.000 claims abstract description 30
- 229920002725 thermoplastic elastomer Polymers 0.000 claims abstract description 30
- 239000004611 light stabiliser Substances 0.000 claims abstract description 27
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 25
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 25
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 12
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229920002367 Polyisobutene Polymers 0.000 claims abstract description 10
- 238000007334 copolymerization reaction Methods 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 239000011259 mixed solution Substances 0.000 claims description 24
- 238000003756 stirring Methods 0.000 claims description 18
- 239000004342 Benzoyl peroxide Substances 0.000 claims description 12
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims description 12
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 claims description 12
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 12
- 235000019400 benzoyl peroxide Nutrition 0.000 claims description 12
- 239000003208 petroleum Substances 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 9
- 239000002904 solvent Substances 0.000 claims description 9
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims description 9
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 6
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000004902 Softening Agent Substances 0.000 claims description 5
- 239000012528 membrane Substances 0.000 claims description 4
- VETPHHXZEJAYOB-UHFFFAOYSA-N 1-n,4-n-dinaphthalen-2-ylbenzene-1,4-diamine Chemical compound C1=CC=CC2=CC(NC=3C=CC(NC=4C=C5C=CC=CC5=CC=4)=CC=3)=CC=C21 VETPHHXZEJAYOB-UHFFFAOYSA-N 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000009849 vacuum degassing Methods 0.000 claims description 3
- 238000004078 waterproofing Methods 0.000 claims description 3
- ULFUTCYGWMQVIO-PCVRPHSVSA-N [(6s,8r,9s,10r,13s,14s,17r)-17-acetyl-6,10,13-trimethyl-3-oxo-2,6,7,8,9,11,12,14,15,16-decahydro-1h-cyclopenta[a]phenanthren-17-yl] acetate;[(8r,9s,13s,14s,17s)-3-hydroxy-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-17-yl] pentano Chemical compound C1CC2=CC(O)=CC=C2[C@@H]2[C@@H]1[C@@H]1CC[C@H](OC(=O)CCCC)[C@@]1(C)CC2.C([C@@]12C)CC(=O)C=C1[C@@H](C)C[C@@H]1[C@@H]2CC[C@]2(C)[C@@](OC(C)=O)(C(C)=O)CC[C@H]21 ULFUTCYGWMQVIO-PCVRPHSVSA-N 0.000 abstract description 2
- 239000000853 adhesive Substances 0.000 description 13
- 230000001070 adhesive effect Effects 0.000 description 13
- 230000006750 UV protection Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 229940124543 ultraviolet light absorber Drugs 0.000 description 4
- 239000000243 solution Substances 0.000 description 3
- 239000002313 adhesive film Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J153/00—Adhesives based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
- C09J153/02—Vinyl aromatic monomers and conjugated dienes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/04—Thermoplastic elastomer
Abstract
The invention discloses a special hot-melt pressure-sensitive adhesive for a HDPE (high-density polyethylene) waterproof coiled material and a preparation method thereof, wherein the special hot-melt pressure-sensitive adhesive for the HDPE waterproof coiled material is prepared from the following raw materials in parts by mass: 40-50 parts of composite thermoplastic elastomer, 30-40 parts of tackifying resin compound, 20-30 parts of polyisobutylene, 5-8 parts of softener, 2.5-4.5 parts of antioxidant, 2-4 parts of siloxane, 1-2.5 parts of silane coupling agent and 0.5-1.5 parts of light stabilizer compound. Has the advantages that: the SBS and the SIS are respectively subjected to graft copolymerization and mixed to prepare the composite thermoplastic elastomer, so that the polarity and the flexibility of the composite thermoplastic elastomer are greatly improved, and the composite thermoplastic elastomer has the advantages of the SBS and the SIS and can realize more excellent performance, for example, the excellent low-temperature resistance of the SBS is reserved, and the HDPE waterproof roll is effectively protected by enough strength and elasticity in a low-temperature environment.
Description
Technical Field
The invention relates to a hot-melt pressure-sensitive adhesive technology, in particular to a special hot-melt pressure-sensitive adhesive for a HDPE (high-density polyethylene) waterproof coiled material and a preparation method thereof.
Background
At present, HDPE self-adhesive film waterproof coiled materials and pre-paving and anti-adhering construction technologies thereof are greatly favored in various design, construction and construction methods of subway interval tunnels in China. The metro distribution area is wider in China, and the construction mode adopts an open cut method more, so that the product used in China is required to be constructed in a wider environment temperature range, and the hot-melt pressure-sensitive adhesive on the HDPE self-adhesive film waterproof coiled material is required to have excellent high and low temperature resistance so as to meet different climatic environments or weather changes in various areas.
The hot-melt pressure-sensitive adhesive is mainly made of rubber and mixed with additives, so that the hot-melt pressure-sensitive adhesive has unusual performance in high and low temperature performances and can be suitable for most regions. But the hot melt pressure sensitive adhesive that HDPE self-adhesion glued membrane waterproofing membrane used coats on the coiled material, and the coiled material can lead to wrinkling of glue film because of the change of its form when rolling and unreeling, can take place to drop when serious. The existing thermosensitive adhesive cannot meet the perfect fit on the surface of a coiled material in the aspects of ductility and elasticity. In addition, the HDPE coiled material also needs to have the effects of fire resistance, high temperature resistance, strength increase and the like.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
Aiming at the problems in the related art, the invention provides a special hot-melt pressure-sensitive adhesive for an HDPE (high-density polyethylene) waterproof coiled material and a preparation method thereof, so as to overcome the technical problems in the prior related art.
Therefore, the invention adopts the following specific technical scheme:
the hot-melt pressure-sensitive adhesive special for the HDPE waterproof coiled material is prepared from the following raw materials in parts by mass:
40-50 parts of composite thermoplastic elastomer, 30-40 parts of tackifying resin compound, 20-30 parts of polyisobutylene, 5-8 parts of softener, 2.5-4.5 parts of antioxidant, 2-4 parts of siloxane, 1-2.5 parts of silane coupling agent and 0.5-1.5 parts of light stabilizer compound.
Further, the composite thermoplastic elastomer is a compound of modified polystyrene-butadiene-styrene (SBS) and modified polystyrene-isoprene-styrene (SIS), and the mass ratio of the modified polystyrene-butadiene-styrene (SBS) to the modified polystyrene-isoprene-styrene (SIS) is 3: 1.
further, the modified polystyrene-butadiene-styrene is obtained by completely dissolving polystyrene-butadiene-styrene, adding the dissolved polystyrene-butadiene-styrene into a mixed solution of methyl methacrylate containing benzoyl peroxide, butyl acrylate and acrylic acid, and performing graft copolymerization.
Further, the modified polystyrene-isoprene-styrene is obtained by completely dissolving polystyrene-isoprene-styrene, adding the solution into a mixed solution of methyl methacrylate and butyl methacrylate containing benzoyl peroxide, and performing graft copolymerization.
Further, the tackifying resin compound is a compound of C5 petroleum resin and C9 petroleum resin, and the mass ratio of the C5 petroleum resin to the C9 petroleum resin is 2: 1.
further, the antioxidant is at least one of antioxidant TNP, antioxidant DNP and antioxidant 107.
Further, the light stabilizer compound is a compound of an ultraviolet absorber and a light stabilizer, and the mass ratio of the ultraviolet absorber to the light stabilizer is 2: 1.
further, the ultraviolet light absorber is at least one of UV-531 and UVP-327, and the light stabilizer is a light stabilizer 744.
According to another aspect of the invention, the preparation method of the special hot-melt pressure-sensitive adhesive for the HDPE waterproof coiled material is also provided, and is used for preparing the special hot-melt pressure-sensitive adhesive for the HDPE waterproof coiled material, and comprises the following steps:
s1, heating the temperature of the reaction kettle to 130-150 ℃, sequentially adding polyisobutylene, a softening agent and siloxane according to the proportion, and uniformly stirring;
s2, adding the composite thermoplastic elastomer and the silane coupling agent in proportion, heating to 150 ℃ and 170 ℃, and stirring for 30-60 min;
s3, adding the tackifying resin compound in proportion, and maintaining the temperature of the reaction kettle at 155-165 ℃ until the tackifying resin compound is completely melted;
s4, adding the antioxidant and light stabilizer compound in proportion, and uniformly stirring and completely mixing;
and S5, vacuum degassing for 30 minutes, stopping reaction, discharging, and cooling to obtain the hot-melt pressure-sensitive adhesive.
Further, the preparation method of the composite thermoplastic elastomer comprises the following steps:
s21, stirring and dissolving a polystyrene-butadiene-styrene solvent in a reactor at 70-80 ℃, adding a mixed solution of methyl methacrylate, butyl acrylate and acrylic acid containing benzoyl peroxide, and reacting to obtain a mixed solution I;
s22, stirring and dissolving a polystyrene-isoprene-styrene solvent in a reactor at 70-80 ℃, adding the dissolved solvent into a mixed solution of methyl methacrylate and butyl methacrylate containing benzoyl peroxide, and reacting to obtain a mixed solution II;
and S23, mixing the mixed solution I and the mixed solution II, stirring uniformly, and cooling to obtain the composite thermoplastic elastomer.
The invention has the beneficial effects that:
1. the SBS and the SIS are respectively subjected to graft copolymerization and mixed to prepare the composite thermoplastic elastomer, so that the polarity and the flexibility of the composite thermoplastic elastomer are greatly improved, and the composite thermoplastic elastomer has the advantages of the SBS and the SIS and can realize more excellent performance, for example, the excellent low-temperature resistance of the SBS is reserved, and the HDPE waterproof roll is effectively protected by enough strength and elasticity in a low-temperature environment.
2. By mixing the added tackifying resin compound and the softening agent, the flexibility and viscosity of the thermal sensitive adhesive can be further enhanced, the cohesive force of the composite thermoplastic elastomer is greatly improved, and the bonding capability of the thermal sensitive adhesive to the smooth surface of the HDPE waterproof roll is improved.
3. By configuring the compound of the antioxidant and the light stabilizer, the antioxidant and ultraviolet resistance of the thermosensitive adhesive can be enhanced, and the synergistic effect of the antioxidant and ultraviolet resistance can be added, so that the performance of the thermosensitive adhesive is further improved.
4. By configuring siloxane and a silane coupling agent, the aging resistance and the insulating property of the thermosensitive adhesive can be enhanced, the fireproof, moistureproof and lubricating functions are realized, the sealing property of the thermosensitive adhesive is improved, and the bonding capability is further enhanced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a flow chart of a hot melt pressure sensitive adhesive special for HDPE waterproof rolls and a preparation method thereof according to an embodiment of the invention.
Detailed Description
For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the invention, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.
According to the embodiment of the invention, the hot-melt pressure-sensitive adhesive special for the HDPE waterproof roll and the preparation method thereof are provided.
The invention is further described with reference to the accompanying drawings and the specific implementation manner, and according to the embodiment of the invention, the special hot-melt pressure-sensitive adhesive for the HDPE waterproof coiled material is prepared from the following raw materials in parts by weight:
40-50 parts of composite thermoplastic elastomer, 30-40 parts of tackifying resin compound, 20-30 parts of polyisobutylene, 5-8 parts of softener, 2.5-4.5 parts of antioxidant, 2-4 parts of siloxane, 1-2.5 parts of silane coupling agent and 0.5-1.5 parts of light stabilizer compound.
In one embodiment, the composite thermoplastic elastomer is a compound of modified polystyrene-butadiene-styrene (SBS) and modified polystyrene-isoprene-styrene (SIS), and the mass ratio of the modified polystyrene-butadiene-styrene (SBS) to the modified polystyrene-isoprene-styrene (SIS) is 3: 1.
in one embodiment, the modified polystyrene-butadiene-styrene is obtained by completely dissolving polystyrene-butadiene-styrene, adding the completely dissolved polystyrene-butadiene-styrene into a mixed solution of methyl methacrylate containing benzoyl peroxide, butyl acrylate and acrylic acid, and performing graft copolymerization.
In one embodiment, the modified polystyrene-isoprene-styrene is prepared by completely dissolving polystyrene-isoprene-styrene, adding a mixed solution of methyl methacrylate and butyl methacrylate containing benzoyl peroxide, and performing graft copolymerization.
In one embodiment, the tackifying resin formulation is a formulation of C5 petroleum resin and C9 petroleum resin, and the mass ratio of the C5 petroleum resin to the C9 petroleum resin is 2: 1.
in one embodiment, the antioxidant is at least one of antioxidant TNP, antioxidant DNP, and antioxidant 107.
In one embodiment, the light stabilizer compound is a compound of an ultraviolet light absorber and a light stabilizer, and the mass ratio of the ultraviolet light absorber to the light stabilizer is 2: 1.
in one embodiment, the ultraviolet light absorber is at least one of UV-531 and UVP-327 and the light stabilizer is a light stabilizer 744.
According to another embodiment of the present invention, as shown in fig. 1, there is also provided a preparation method of the hot melt pressure sensitive adhesive special for HDPE waterproof rolls, which is used for preparing the hot melt pressure sensitive adhesive special for HDPE waterproof rolls, and comprises the following steps:
s1, heating the temperature of the reaction kettle to 130-150 ℃, sequentially adding polyisobutylene, a softening agent and siloxane according to the proportion, and uniformly stirring;
s2, adding the composite thermoplastic elastomer and the silane coupling agent in proportion, heating to 150 ℃ and 170 ℃, and stirring for 30-60 min;
s3, adding the tackifying resin compound in proportion, and maintaining the temperature of the reaction kettle at 155-165 ℃ until the tackifying resin compound is completely melted;
s4, adding the antioxidant and light stabilizer compound in proportion, and uniformly stirring and completely mixing;
and S5, vacuum degassing for 30 minutes, stopping reaction, discharging, and cooling to obtain the hot-melt pressure-sensitive adhesive.
In one embodiment, the method for preparing the composite thermoplastic elastomer comprises the following steps:
s21, stirring and dissolving a polystyrene-butadiene-styrene solvent in a reactor at 70-80 ℃, adding a mixed solution of methyl methacrylate, butyl acrylate and acrylic acid containing benzoyl peroxide, and reacting to obtain a mixed solution I;
s22, stirring and dissolving a polystyrene-isoprene-styrene solvent in a reactor at 70-80 ℃, adding the dissolved solvent into a mixed solution of methyl methacrylate and butyl methacrylate containing benzoyl peroxide, and reacting to obtain a mixed solution II;
and S23, mixing the mixed solution I and the mixed solution II, stirring uniformly, and cooling to obtain the composite thermoplastic elastomer.
Example one
The hot-melt pressure-sensitive adhesive special for the HDPE waterproof coiled material is prepared from the following raw materials in parts by mass:
40 parts of composite thermoplastic elastomer, 30 parts of tackifying resin compound, 20 parts of polyisobutylene, 5 parts of softener, 2.5 parts of antioxidant, 2 parts of siloxane, 1 part of silane coupling agent and 0.5 part of light stabilizer compound.
Example two
The hot-melt pressure-sensitive adhesive special for the HDPE waterproof coiled material is prepared from the following raw materials in parts by mass:
45 parts of composite thermoplastic elastomer, 35 parts of tackifying resin compound, 25 parts of polyisobutylene, 6.5 parts of softener, 3 parts of antioxidant, 3 parts of siloxane, 1.75 parts of silane coupling agent and 1 part of light stabilizer compound.
EXAMPLE III
The hot-melt pressure-sensitive adhesive special for the HDPE waterproof coiled material is prepared from the following raw materials in parts by mass:
50 parts of composite thermoplastic elastomer, 40 parts of tackifying resin compound, 30 parts of polyisobutylene, 8 parts of softener, 4.5 parts of antioxidant, 4 parts of siloxane, 2.5 parts of silane coupling agent and 1.5 parts of light stabilizer compound.
Through specific experimental comparison, the use effect of the invention is known as follows:
in summary, according to the technical scheme of the present invention, the composite thermoplastic elastomer is prepared by respectively graft-copolymerizing and mixing SBS and SIS, and while the polarity and flexibility of the composite thermoplastic elastomer are greatly improved, the composite thermoplastic elastomer can have the advantages of both SBS and SIS to realize superior performance, such as retaining the excellent low temperature resistance of SBS, and ensuring sufficient strength and elasticity to effectively protect the HDPE waterproof roll material in a low temperature environment. By mixing the added tackifying resin compound and the softening agent, the flexibility and viscosity of the thermal sensitive adhesive can be further enhanced, the cohesive force of the composite thermoplastic elastomer is greatly improved, and the bonding capability of the thermal sensitive adhesive to the smooth surface of the HDPE waterproof roll is improved. By configuring the compound of the antioxidant and the light stabilizer, the antioxidant and ultraviolet resistance of the thermosensitive adhesive can be enhanced, and the synergistic effect of the antioxidant and ultraviolet resistance can be added, so that the performance of the thermosensitive adhesive is further improved. By configuring siloxane and a silane coupling agent, the aging resistance and the insulating property of the thermosensitive adhesive can be enhanced, the fireproof, moistureproof and lubricating functions are realized, the sealing property of the thermosensitive adhesive is improved, and the bonding capability is further enhanced.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a special hot melt pressure sensitive adhesive of HDPE waterproofing membrane which characterized in that, should be used for special hot melt pressure sensitive adhesive of HDPE waterproofing membrane to make by the raw materials of following parts by mass:
40-50 parts of composite thermoplastic elastomer, 30-40 parts of tackifying resin compound, 20-30 parts of polyisobutylene, 5-8 parts of softener, 2.5-4.5 parts of antioxidant, 2-4 parts of siloxane, 1-2.5 parts of silane coupling agent and 0.5-1.5 parts of light stabilizer compound.
2. The hot melt pressure sensitive adhesive special for the HDPE waterproof roll according to claim 1, wherein the composite thermoplastic elastomer is a compound of modified polystyrene-butadiene-styrene (SBS) and modified polystyrene-isoprene-styrene (SIS), and the mass ratio of the modified polystyrene-butadiene-styrene (SBS) to the modified polystyrene-isoprene-styrene (SIS) is 3: 1.
3. the hot melt pressure sensitive adhesive special for the HDPE waterproof roll according to claim 2, wherein the modified polystyrene-butadiene-styrene is obtained by completely dissolving polystyrene-butadiene-styrene, adding a mixed solution of methyl methacrylate containing benzoyl peroxide, butyl acrylate and acrylic acid, and performing graft copolymerization.
4. The hot melt pressure sensitive adhesive special for the HDPE waterproof roll according to claim 2, wherein the modified polystyrene-isoprene-styrene is obtained by completely dissolving polystyrene-isoprene-styrene, adding a mixed solution of methyl methacrylate and butyl methacrylate containing benzoyl peroxide, and performing graft copolymerization.
5. The hot melt pressure sensitive adhesive special for HDPE (high-density polyethylene) waterproof rolls as claimed in claim 1, wherein the tackifying resin compound is a compound of C5 petroleum resin and C9 petroleum resin, and the mass ratio of the C5 petroleum resin to the C9 petroleum resin is 2: 1.
6. the hot melt pressure sensitive adhesive special for HDPE waterproof rolls as claimed in claim 1, wherein the antioxidant is at least one of antioxidant TNP, antioxidant DNP and antioxidant 107.
7. The hot melt pressure sensitive adhesive special for the HDPE waterproof coiled material as claimed in claim 1, wherein the light stabilizer compound is a compound of an ultraviolet absorber and a light stabilizer, and the mass ratio of the ultraviolet absorber to the light stabilizer is 2: 1.
8. the hot melt pressure sensitive adhesive special for HDPE waterproof coiled material as claimed in claim 7, wherein the ultraviolet absorber is at least one of UV-531 and UVP-327, and the light stabilizer is light stabilizer 744.
9. A preparation method of a special hot-melt pressure-sensitive adhesive for HDPE waterproof coiled materials is used for preparing the special hot-melt pressure-sensitive adhesive for HDPE waterproof coiled materials in any one of claims 1 to 8, and is characterized by comprising the following steps:
s1, heating the temperature of the reaction kettle to 130-150 ℃, sequentially adding polyisobutylene, a softening agent and siloxane according to the proportion, and uniformly stirring;
s2, adding the composite thermoplastic elastomer and the silane coupling agent in proportion, heating to 150 ℃ and 170 ℃, and stirring for 30-60 min;
s3, adding the tackifying resin compound in proportion, and maintaining the temperature of the reaction kettle at 155-165 ℃ until the tackifying resin compound is completely melted;
s4, adding the antioxidant and light stabilizer compound in proportion, and uniformly stirring and completely mixing;
and S5, vacuum degassing for 30 minutes, stopping reaction, discharging, and cooling to obtain the hot-melt pressure-sensitive adhesive.
10. The preparation method of the special hot melt pressure sensitive adhesive for the HDPE waterproof roll according to claim 9, wherein the preparation method of the composite thermoplastic elastomer comprises the following steps:
s21, stirring and dissolving a polystyrene-butadiene-styrene solvent in a reactor at 70-80 ℃, adding a mixed solution of methyl methacrylate, butyl acrylate and acrylic acid containing benzoyl peroxide, and reacting to obtain a mixed solution I;
s22, stirring and dissolving a polystyrene-isoprene-styrene solvent in a reactor at 70-80 ℃, adding the dissolved solvent into a mixed solution of methyl methacrylate and butyl methacrylate containing benzoyl peroxide, and reacting to obtain a mixed solution II;
and S23, mixing the mixed solution I and the mixed solution II, stirring uniformly, and cooling to obtain the composite thermoplastic elastomer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110410043.7A CN113004842A (en) | 2021-04-16 | 2021-04-16 | Special hot-melt pressure-sensitive adhesive for HDPE (high-density polyethylene) waterproof coiled material and preparation method thereof |
Applications Claiming Priority (1)
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| CN113637438A (en) * | 2021-08-25 | 2021-11-12 | 鞍山科顺建筑材料有限公司 | Hot-melt pressure-sensitive adhesive composition and application thereof, hot-melt pressure-sensitive adhesive and preparation method and application thereof |
| CN115707752A (en) * | 2022-07-21 | 2023-02-21 | 北新禹王防水科技集团有限公司 | Pre-laid high-polymer waterproof roll with permeation crystallization function and preparation method thereof |
| CN117467367A (en) * | 2023-12-27 | 2024-01-30 | 浙江祥邦永晟新能源有限公司 | Thermoplastic POE packaging adhesive film, preparation method thereof and photovoltaic module |
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| CN115707752A (en) * | 2022-07-21 | 2023-02-21 | 北新禹王防水科技集团有限公司 | Pre-laid high-polymer waterproof roll with permeation crystallization function and preparation method thereof |
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Application publication date: 20210622 |